-foundation.org; Lilijun (Jerry)
> ; chenchanghu ;
> xudingke ; huangbin (J)
>
> Subject: Re: [PATCH net v5 1/2] vhost_net: fix ubuf refcount incorrectly when
> sendmsg fails
>
> On Sun, Dec 27, 2020 at 6:26 AM Michael S. Tsirkin wrote:
> >
> > On Fri, Dec 25, 2020 at
On Sun, Dec 27, 2020 at 6:26 AM Michael S. Tsirkin wrote:
>
> On Fri, Dec 25, 2020 at 03:24:25PM +0800, wangyunjian wrote:
> > From: Yunjian Wang
> >
> > Currently the vhost_zerocopy_callback() maybe be called to decrease
> > the refcount when sendmsg fails in tun. The error handling in vhost
> >
On Fri, Dec 25, 2020 at 03:24:25PM +0800, wangyunjian wrote:
> From: Yunjian Wang
>
> Currently the vhost_zerocopy_callback() maybe be called to decrease
> the refcount when sendmsg fails in tun. The error handling in vhost
> handle_tx_zerocopy() will try to decrease the same refcount again.
> Th
From: Yunjian Wang
Currently the vhost_zerocopy_callback() maybe be called to decrease
the refcount when sendmsg fails in tun. The error handling in vhost
handle_tx_zerocopy() will try to decrease the same refcount again.
This is wrong. To fix this issue, we only call vhost_net_ubuf_put()
when vq
